Subaru 2009 IMPREZA Service Manual page 468

3. DRIVE CYCLE B — 10 MINUTES IDLING
NOTE:
Drive the vehicle at 10 km/h (6 MPH) or more before diagnosis.
DTC
*P0126 Insufficient Engine Coolant Temperature for Stable Operation
*P0171 System Too Lean (Bank 1)
*P0172 System Too Rich (Bank 1)
*P0301 Cylinder 1 Misfire Detected
*P0302 Cylinder 2 Misfire Detected
*P0303 Cylinder 3 Misfire Detected
*P0304 Cylinder 4 Misfire Detected
*P0464 Fuel Level Sensor Circuit Intermittent
*P0506 Idle Air Control System RPM Lower Than Expected
*P0507 Idle Air Control System RPM Higher Than Expected
*P2096 Post Catalyst Fuel Trim System Too Lean (Bank 1)
*P2097 Post Catalyst Fuel Trim System Too Rich (Bank 1)
Drive Cycle
Item
EN(H4SO)(diag)-51
ENGINE (DIAGNOSTICS)
Condition
—
Complete diagnosis with drive cycle A
or C as well.
Complete diagnosis with drive cycle A
or C as well.
Complete diagnosis with drive cycle A
or C as well.
Complete diagnosis with drive cycle A
or C as well.
Complete diagnosis with drive cycle A
or C as well.
Complete diagnosis with drive cycle A
or C as well.
—
—
—
Complete diagnosis with drive cycle A
or C as well.
Complete diagnosis with drive cycle A
or C as well.